In HVAC terms, what is a "register"?

In HVAC terminology, a "register" refers specifically to an opening that allows airflow from the duct system into a room or other space. Registers typically include a grille that covers the opening and may have adjustable louvers or dampers that let users control the direction and volume of airflow. This functionality is essential for effectively distributing conditioned air, whether it's heated or cooled, throughout a building.

Understanding the role of registers is crucial for ensuring optimal HVAC system performance as they directly impact indoor air quality and comfort levels. Registers play a key part in the overall balance of the air distribution system, making them integral components in the design and functionality of heating, ventilation, and air conditioning systems.